<template>
  <div id="app">
    <div class="container">
      <!-- 顶部搜索框模块 -->
      <div class="form-group">
        <div class="input-group">
          <h4>品牌管理</h4>
        </div>
      </div>

      <!-- 数据表格 -->
      <table class="table table-bordered table-hover mt-2">
        <thead>
          <tr>
            <th>编号</th>
            <th>资产名称</th>
            <th>价格</th>
            <th>创建时间</th>
            <th>操作</th>
          </tr>
        </thead>
        <tbody>
          <tr v-for="( obj , index) in list" :key="obj.id">
            <td>{{obj.id}}</td>
            <td>{{obj.name}}</td>

            <!-- 如果价格超过100，就有red这个类 -->
            <td :class="{red : obj.price >=100}">{{obj.price}}</td>
            <td>{{obj.time}}</td>
            <td><a href="#" @click="edlFN(index)">删除</a></td>
          </tr>
        </tbody>
        <tfoot v-show="list.length == 0">
          <tr>
            <td colspan="5" style="text-align: center">暂无数据</td>
          </tr>
        </tfoot>
      </table>

      <!-- 添加资产 -->
      <form class="form-inline">
        <div class="form-group">
          <div class="input-group">
            <input type="text" class="form-control" placeholder="资产名称" v-model="name" />
          </div>
        </div>
        &nbsp;&nbsp;&nbsp;&nbsp;
        <div class="form-group">
          <div class="input-group">
            <input type="text" class="form-control" placeholder="价格" v-model="price" />
          </div>
        </div>
        &nbsp;&nbsp;&nbsp;&nbsp;
        <!-- 阻止表单提交 -->
        <button class="btn btn-primary" @click.prevent="addFN">添加资产</button>
      </form>
    </div>
  </div>
</template>

<script>
  import "bootstrap/dist/css/bootstrap.css" // 默认找文件夹下的index文件(但是这个不是所以需要写路径)
  export default {
    data() {
      return {
        name: "", // 名称
        price: 0, // 价格
        list: [{
            id: 100,
            name: "外套",
            price: 199,
            time: new Date('2010-08-12')
          },
          {
            id: 101,
            name: "裤子",
            price: 34,
            time: new Date('2013-09-01')
          },
          {
            id: 102,
            name: "鞋",
            price: 25.4,
            time: new Date('2018-11-22')
          },
          {
            id: 103,
            name: "头发",
            price: 19900,
            time: new Date('2020-12-12')
          }
        ],
      };

    },
    methods: {
      addFN() {
        if (this.name.length == 0 || this.price.length == 0 || this.price < 0) {
          alert("请写入正确的名字和价格");
          return;
        }
        this.list.push({
          id: this.list[this.list.length - 1].id + 1,
          name: this.name,
          price: this.price,
          time: new Date()

        });
        this.name = '';
        this.price = 0;
      },
      edlFN(index) {
        this.list.splice(index, 1)
      }
    }

  };
</script>

<style>
  .red {
    color: red;
  }
</style>